Psoriasis (sore-EYE-ah-sis) is a chronic (long-lasting) disease. It develops when a person’s immune system sends faulty signals that tell skin cells to grow too quickly. New skin cells form in days rather than weeks.
The body does not shed these excess skin cells. The skin cells pile up on the surface of the skin, causing patches of psoriasis to appear. Psoriasis is NOT contagious. You cannot get psoriasis from touching someone who has it. To get psoriasis, a person must inherit the genes that cause it.
Types of psoriasis
If you have psoriasis, you will have one or more of these types:
How do dermatologists treat psoriasis?
Treating psoriasis has benefits. Treatment can reduce signs and symptoms of psoriasis, which usually makes a person feel better. With treatment, some people see their skin completely clear. Treatment can even improve a person’s quality of life.
Psoriasis is a chronic (long-lasting) disease of the immune system. It cannot be cured. This means that most people have psoriasis for life. By teaming up with a dermatologist who treats psoriasis, you can find a treatment plan that works for you.
Types of Treatment
Psoriasis treatments fall into 3 categories:
- Topical (applied to the skin) – Mild to moderate psoriasis
- Phototherapy (light, usually ultraviolet, applied to the skin) – Moderate to severe psoriasis
- Systemic (taken orally or by injection or infusion) – Moderate, severe or disabling psoriasis